Wiz Agents & Workflows are here

CVE-2026-23278
Linux Kernel vulnerability analysis and mitigation

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_tables: always walk all pending catchall elements

During transaction processing we might have more than one catchall element: 1 live catchall element and 1 pending element that is coming as part of the new batch.

If the map holding the catchall elements is also going away, its required to toggle all catchall elements and not just the first viable candidate.

Otherwise, we get: WARNING: ./include/net/netfilter/nf_tables.h:1281 at nft_data_release+0xb7/0xe0 [nf_tables], CPU#2: nft/1404 RIP: 0010:nft_data_release+0xb7/0xe0 [nf_tables] [..] __nft_set_elem_destroy+0x106/0x380 [nf_tables] nf_tables_abort_release+0x348/0x8d0 [nf_tables] nf_tables_abort+0xcf2/0x3ac0 [nf_tables] nfnetlink_rcv_batch+0x9c9/0x20e0 [..]


SourceNVD

Related Linux Kernel vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-23277MEDIUM5.9
  • Linux KernelLinux Kernel
  • linux-fips
NoNoMar 20, 2026
CVE-2026-23276MEDIUM5.5
  • Linux KernelLinux Kernel
  • kernel-rt-64k-debug-modules-partner
NoNoMar 20, 2026
CVE-2026-23274MEDIUM5.5
  • Linux KernelLinux Kernel
  • kernel-abi-stablelists
NoNoMar 20, 2026
CVE-2026-23278MEDIUM4.7
  • Linux KernelLinux Kernel
  • kernel-uki-virt
NoNoMar 20, 2026
CVE-2026-23275N/AN/A
  • Linux KernelLinux Kernel
  • kernel-rt-core
NoNoMar 20, 2026

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management